CN219989488U - Antiwind device of boats and ships screw - Google Patents

Abstract

The utility model discloses an anti-winding device of a ship propeller, which relates to the technical field of anti-winding devices and is applied to the lower end of a stern shaft bracket, wherein the lower end of the stern shaft bracket is provided with the propeller, the outer side of the propeller is provided with a protective cover, the front end of the protective cover is provided with a rotatable rotating plate, a rectangular groove is formed in the rotating plate, a movable assembly is arranged in the rectangular groove, and the movable assembly comprises two blades which are symmetrical with each other, and the blades synchronously move in opposite directions or synchronously move in opposite directions; according to the utility model, the seaweed is wound through the rotation of the rotating plate, so that the seaweed is prevented from directly entering the propeller, and then is cut through the blades which synchronously move, so that the seaweed is convenient to finally throw off the propeller, and finally the anti-winding effect is realized.

Description

Antiwind device of boats and ships screw

Technical Field

The utility model relates to the technical field of anti-winding devices, in particular to an anti-winding device of a ship propeller.

Background

The existing ship propulsion device generally adopts a propeller mode, the propeller is connected with an output shaft of a power machine through a transmission shaft, the transmission shaft is connected to a ship body through a bearing, a bearing seat and a sealing device, a ship stern tube is arranged at the joint of the ship body corresponding to the propeller, and the transmission shaft drives the propeller to drive the ship to sail.

The existing screw propeller of the stern is often wound by floaters in water, and the like, so that the navigational speed is influenced by light weight, and the resistance of the screw propeller is increased and even prevented from rotating by heavy weight, thereby causing a ship accident. The current treatment method is generally to stop the machine and stop the ship, send divers to cut the windings by using a knife at sea, or drag the ship to the shore or a port, and drag the ship to remove the windings, which is time-consuming and labor-consuming.

In view of the above problems, the present utility model provides an anti-wind device for a marine propeller.

Disclosure of Invention

The utility model aims to provide an anti-winding device for a ship propeller, which winds seaweed through rotation of a rotating plate, avoids directly entering the propeller, and cuts the propeller through a blade which moves synchronously, so that the propeller is convenient to throw off at last, and finally, the anti-winding effect is realized, thereby solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antiwind device of boats and ships screw, is applied to stern pedestal lower extreme, and stern pedestal lower extreme is provided with the screw, and the screw outside is provided with the protection casing, and the protection casing front end is provided with rotatable rotor plate, and the rectangular channel has been seted up to the rotor plate inside, and the rectangular channel is inside to be provided with the removal subassembly, and the removal subassembly includes two mutual symmetrical blades, and the blade is synchronous in opposite directions or the synchronous motion that leaves.

Further, the moving assembly further comprises a sliding block fixedly connected with the blade, the sliding block is slidably connected onto the inner surface of the rectangular groove, a bidirectional threaded screw rod is connected to the middle of the sliding block in a threaded mode, one end of the bidirectional threaded screw rod is fixedly connected with the output end of the motor, the motor is fixedly installed on the inner side wall of the rectangular groove, and the other end of the bidirectional threaded screw rod is rotatably connected onto the inner side wall of the rectangular groove through a bearing.

Further, a motor is buried in the lower end of the stern shaft frame, a propeller is fixedly arranged at the output end of the motor, one end of the inner side of the protective cover is fixedly connected with a plurality of first support frames which are uniformly distributed, and the other end of each first support frame is fixedly connected to the stern shaft frame.

Further, the inboard other end fixedly connected with a plurality of evenly distributed's of protection casing second support frame, the second support frame other end intersects in a department, and the inboard fixed mounting of second support frame intersection department has the motor, and the motor output extends to the outside and with rotating plate back middle part fixed connection.

Further, the side surfaces at two ends of the rotating plate are fixedly connected with L-shaped plates, and the outer side surfaces of the L-shaped plates are fixedly connected with a plurality of evenly distributed cone spines.

Compared with the prior art, the utility model has the following beneficial effects:

according to the anti-winding device for the ship propeller, when the propeller works normally, water flow is driven to enter the protective cover, meanwhile, the motor rotates to drive the rotating plate to rotate, when sundries such as seaweed enter the protective cover, the rotating plate stops the seaweed and winds the seaweed, at the moment, the motor rotates to drive the two sliding blocks to synchronously move through the bidirectional threaded screw rod, and further the blades are driven to synchronously move towards or away from each other to cut off the seaweed, and the cut seaweed is thrown out under the action of centrifugal force generated when the rotating plate rotates, and also part of the cut seaweed enters the protective cover, but the cut seaweed is not sufficiently wound on the propeller and is finally thrown out of the protective cover. The purpose of design is twine the seaweed through the pivoted of rotor plate, avoids directly entering into on the screw, and the blade of rethread synchronous motion is to its cutting, is convenient for get rid of at last the screw, finally realizes antiwind effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the front end structure of the shield according to the present utility model;

FIG. 3 is a schematic view of the position of a propeller according to the present utility model;

fig. 4 is an enlarged view of fig. 2 a in accordance with the present utility model.

In the figure: 1. a stern shaft bracket; 2. a propeller; 3. a first support frame; 4. a second support frame; 5. a rotating plate; 6. rectangular grooves; 7. a slide block; 8. a blade; 9. a two-way threaded screw rod; 10. an L-shaped plate; 11. taper thorn; 12. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the technical problem of how to effectively prevent the propeller 2 from winding, as shown in fig. 1-4, the following preferred technical scheme is provided:

the utility model provides an antiwind device of boats and ships screw, is applied to stern pedestal 1 lower extreme, and stern pedestal 1 lower extreme is provided with screw 2, and the screw 2 outside is provided with protection casing 12, and the protection casing 12 front end is provided with rotatable rotor plate 5, and rectangular channel 6 has been seted up to rotor plate 5 inside, and rectangular channel 6 inside is provided with the removal subassembly, and the removal subassembly includes two mutual symmetrical blade 8, and blade 8 are synchronous in opposite directions or synchronous in opposite directions and move.

Specifically, when the propeller 2 works normally, water flow is driven to enter the protective cover 12, meanwhile, the motor rotates to drive the rotating plate 5 to rotate, when sundries such as seaweed enter the protective cover 12, the rotating plate 5 stops the seaweed and winds the seaweed, at the moment, the motor rotates to drive the two sliding blocks 7 to synchronously move through the bidirectional threaded screw rod 9, and then the blades 8 are driven to synchronously move in opposite directions or to move away from each other, the seaweed is cut off, the cut seaweed is thrown out under the action of centrifugal force generated when the rotating plate 5 rotates, and part of the cut seaweed enters the protective cover 12, but the cut seaweed is not sufficiently wound on the propeller 2 and finally thrown out of the protective cover 12. The purpose of design is twine the seaweed through the rotation of rotor plate 5, avoids directly entering into on the screw 2, and the blade 8 of rethread synchronous motion is to its cutting, is convenient for get rid of at last screw 2, finally realizes anti-winding effect.

Further, as shown in fig. 2 and fig. 4, the following preferred technical solutions are provided:

the movable assembly further comprises a sliding block 7 fixedly connected with the blades 8, the sliding block 7 is slidably connected onto the inner surface of the rectangular groove 6, a bidirectional threaded screw rod 9 is connected with the middle of the sliding block 7 in a threaded mode, one end of the bidirectional threaded screw rod 9 is fixedly connected with the output end of the motor, the motor is fixedly installed on the inner side wall of the rectangular groove 6, the other end of the bidirectional threaded screw rod 9 is rotatably connected onto the inner side wall of the rectangular groove 6 through a bearing, and the purpose of the design is to drive the two blades 8 to synchronously move in opposite directions or move away from each other through the rotation of the bidirectional threaded screw rod 9 so as to cut seaweed.

Further, as shown in fig. 1 and 3, the following preferred technical solutions are provided:

the motor is buried in the lower extreme of stern pedestal 1, and motor output fixed mounting has screw 2, and the inboard one end fixedly connected with of protection casing 12 a plurality of evenly distributed's first support frame 3, and first support frame 3 other end fixed connection is on stern pedestal 1, and the purpose of design is to protect screw 2 through protection casing 12 like this, avoids debris to be close screw 2.

Further, as shown in fig. 2, the following preferred technical scheme is provided:

the inboard other end fixedly connected with a plurality of evenly distributed's of protection casing 12 second support frame 4, the second support frame 4 other end intersects in a department, and the inboard fixed mounting of second support frame 4 intersection department has the motor, and the motor output extends to the outside and with rotor plate 5 back middle part fixed connection, the purpose of design is guaranteeing rotor plate 5 rotatable like this.

Further, as shown in fig. 1 and fig. 2, the following preferred technical solutions are provided:

the side surfaces at two ends of the rotating plate 5 are fixedly connected with an L-shaped plate 10, the outer side surface of the L-shaped plate 10 is fixedly connected with a plurality of evenly distributed conical spines 11, and the purpose of the design is to drive the L-shaped plate 10 to rotate through the rotating plate 5 in operation, and the conical spines 11 are used for preventing fish shoals from approaching and protecting the propeller 2.

To sum up: when the propeller 2 works normally, water flow is driven to enter the protective cover 12, meanwhile, the motor rotates to drive the rotating plate 5 to rotate, when sundries such as seaweed enter the protective cover 12, the rotating plate 5 stops the seaweed and winds the seaweed, at the moment, the motor rotates to drive the two sliding blocks 7 to synchronously move through the bidirectional threaded screw rod 9, and then the blades 8 are driven to synchronously move in opposite directions or separate from each other to cut off the seaweed, the cut seaweed is thrown out under the action of centrifugal force generated when the rotating plate 5 rotates, and part of the cut seaweed enters the protective cover 12, but the cut seaweed is not sufficiently wound on the propeller 2 and is finally thrown out of the protective cover 12. The purpose of design is twine the seaweed through the rotation of rotor plate 5, avoids directly entering into on the screw 2, and the blade 8 of rethread synchronous motion is to its cutting, is convenient for get rid of at last screw 2, finally realizes anti-winding effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an antiwind device of boats and ships screw, is applied to stern pedestal (1) lower extreme, its characterized in that: screw (2) are arranged at the lower end of the screw shaft frame (1), a protective cover (12) is arranged on the outer side of the screw (2), a rotatable rotating plate (5) is arranged at the front end of the protective cover (12), a rectangular groove (6) is formed in the rotating plate (5), a movable assembly is arranged in the rectangular groove (6), and the movable assembly comprises two blades (8) which are symmetrical to each other, and the blades (8) synchronously move in opposite directions or synchronously move in opposite directions.

2. An anti-wind device for a marine propeller as claimed in claim 1, wherein: the movable assembly further comprises a sliding block (7) fixedly connected with the blade (8), the sliding block (7) is slidably connected onto the inner surface of the rectangular groove (6), a bidirectional threaded screw rod (9) is connected with the middle of the sliding block (7) in a threaded mode, one end of the bidirectional threaded screw rod (9) is fixedly connected with the output end of the motor, the motor is fixedly installed on the inner side wall of the rectangular groove (6), and the other end of the bidirectional threaded screw rod (9) is rotatably connected onto the inner side wall of the rectangular groove (6) through a bearing.

3. An anti-wind device for a marine propeller as claimed in claim 1, wherein: the screw propeller is characterized in that a motor is buried in the lower end of the screw propeller shaft frame (1), a propeller (2) is fixedly arranged at the output end of the motor, a plurality of first supporting frames (3) which are uniformly distributed are fixedly connected to one end of the inner side of the protective cover (12), and the other end of each first supporting frame (3) is fixedly connected to the screw propeller shaft frame (1).

4. An anti-wind device for a marine propeller as claimed in claim 1, wherein: the inside other end fixedly connected with a plurality of evenly distributed's of protection casing (12) second support frame (4), second support frame (4) other end intersect in a department, and second support frame (4) intersection department inboard fixed mounting has the motor, and the motor output extends to the outside and with rotor plate (5) back middle part fixed connection.

5. An anti-wind device for a marine propeller as claimed in claim 1, wherein: the side surfaces of two ends of the rotating plate (5) are fixedly connected with an L-shaped plate (10), and the outer side surface of the L-shaped plate (10) is fixedly connected with a plurality of evenly distributed cone spines (11).